Home / 5,191.47-7,164.14-2,833.61

Finding the Fourth Proportional to 5,191.47, 7,164.14 and 2,833.61

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Solution

The fourth proportional to 5,191.47, 7,164.14 and 2,833.61 is: 3,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.47 : 7,164.14 = 2,833.61 : x
  2. Step 2: Convert to fraction form
    5,191.47/7,164.14 = 2,833.61/x
  3. Step 3: Cross multiply
    5,191.47x = 7,164.14 × 2,833.61
  4. Step 4: Simplify right side
    5,191.47x = 20,300,328.76
  5. Step 5: Solve for x
    x = 20,300,328.76/5,191.47
  6. Step 6: Final answer
    x = 3,910.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.